Aquarium filter assembly



FIG. 1 is an isometric view of an aquarium filter assembly incorporating our new design;

FIG. 2 is an enlarged view of the aquarium filter assembly of FIG. 1;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a left side elevation view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines are for illustration only, and form no part of the claimed design. 

The ornamental design for an aquarium filter assembly, as shown and described. 